BMW 3: Operating materials
BMW 3 Series G20 (2018-2026) Owners Manual / Operating materials
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Fuel recommendation
General information
Depending on the region, many gas stations sell
fuel that has been customized to winter or
summer conditions. Fuel that is available in winter,
for instance helps make a cold start
Engine oil
General information
The engine oil consumption is dependent on
your driving style and driving conditions.
Therefore, regularly check the engine oil level after
refueling by taking a detailed measurem
Coolant
General information
Coolant consists of water and additives.
Not all commercially available additives are suitable
for the vehicle. Information about suitable additives
is available from a dealer's s
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Warning function
Light in the exterior mirror
Acute warning
If there is a risk of collision, the light in the exterior
mirror flashes and the steering wheel vibrates.
A Check Control message is displayed at
the same time.
If necessary, an active steering intervention then
takes place to prevent collisions and main
Engine Electrical System
Digital Motor Electronics (DME)
DME 8 control unit
The Digital Motor Electronics (DME) is the computing and switching center.
Sensors on the engine
and the vehicle deliver the input signals and actuators implement the commands.
The Digital Motor
Electronics (DME) calculates the corresponding acti
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